P89C51RB2HBA
P89C51RC+IA
P89C51RC+IB
P89C51RC2BA
P89C51RC2BA/01,512
P89C51RC2BBD
P89C51RC2BBD/01,55
P89C51RC2BN/01,112
P89C51RC2FA/01,529
P89C51RC2FBD